Petroleum Geology Acronyms

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Gamma Ray Apparent, Memory (GRAM)

This is an abbreviation for a well log used in the oil and gas industry. You could have found the code GRAM in your log evaluation software or your corporate datastores. The full name for this log used in the industry is 'Gamma Ray Apparent, Memory'. The usage of this log is well established. Use this log to investigate the intensity of natural gamma-ray radiation emitted from formations containing radioactive elements, such as Potassium, Thorium, and Uranium. Measured according to API specifications.This log usually has the unit 'API Gamma Ray'.Note: This log is kept in the memory of the tool until it is recovered from the well.

Data for this log is produced by a tool that uses a gamma ray logging technique and can be used to investigate the gamma ray of the formation. Similar logs are listed below: